Telephone instrument



FIG. 1 is a top front perspective view of a telephone instrument,showing my design;

FIG. 2 is a top front perspective view thereof with the cover open;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is one side view thereof; and

FIG. 7 is the other side view thereof.

The ornamental design for a telephone instrument, as shown.